1 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3 * config/fp-bit.c: Include tm.h.
4 (float_to_si): Don't assume SImode is 32-bits wide.
5 (float_to_usi): Likewise.
7 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
9 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
11 (typename): Call pending_xref_error after parsing typed_typespecs.
12 * c-decl.c (lookup_tag): Give error immediately rather than
13 leaving it pending if the tag of the wrong type is in the same
15 (xref_tag): Don't pedwarn for forward declarations of enum types
17 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
20 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
22 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
24 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
26 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
27 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
29 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
31 * cpphash.h (struct cpp_reader): New saved_flags.
32 * cppmacro.c (cpp_get_token): Use saved_flags to remember
33 to avoid a paste after a pasted token.
35 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
37 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
38 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
39 Wtype_MIN instead of LONG_MIN.
41 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
43 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
45 * fixinc/fixincl.x: Regenerated.
46 * fixinc/inclhack.def (irix_limits_const): New definition to
47 convert "const" to "__const" in limits.h.
49 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
51 * fixinc/genfixes (AG): Fix "autogen4" thinko.
53 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
55 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
56 when register dies in the insn.
58 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
60 * diagnostic.c (fatal): Fix word wrap.
62 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
64 * combine.c (try_combine): Fix SUBREG setting for
65 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
67 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
69 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
72 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
74 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
76 * toplev.c (decode_W_option): Update warn_larger_than
77 unconditionally for each processed switch.
79 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
81 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
83 (hppa_expand_prologue): Delete code to save pic offset table register
84 in the function prologue.
85 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
86 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
87 table register at the beginning of the function after the prologue.
89 2001-01-29 lars brinkhoff <lars@nocrew.org>
91 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
93 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
94 Jeff Law <law@redhat.com>
96 * pa.md (return): Revise comment for trivial return.
97 (return_internal): Non-trivial return pattern for non-PIC code.
98 (return_internal_pic): Non-trivial return pattern for PIC code.
99 It uses the PIC register to ensure it is restored after
101 (epilogue): Generate appropriate return for PIC and non-PIC code.
103 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
105 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
107 2001-01-29 DJ Delorie <dj@redhat.com>
109 * combine.c (if_then_else_cond): Pass the correct mode to
110 operand_subword() for constants.
112 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
114 * config/i386/cygwin.h: Add w32api to include search. Search different
115 directories in a cross-build environment.
117 2001-11-29 Tim Josling <tej@melbpc.org.au>
119 * tree.h (TYPE_STUB_DECL): Add documentation.
121 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
123 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
124 (sdbout_field_types): Likwise. Fix use of host_integerp.
126 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
128 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
131 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
133 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
134 to use flag_gnu_linker.
136 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
138 * cpplib.c (T_BAD_DIRECTIVE): Remove.
139 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
141 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
143 * tree.c, tree.h (build_parse_node): Remove; was identical to
145 * c-lang.c (start_cdtor), objc/objc-act.c
146 (build_module_descriptor): Use build_nt instead of
149 2001-01-29 Jakub Jelinek <jakub@redhat.com>
151 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
152 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
153 not have any upper bits set.
155 2001-01-29 Phil Edwards <pme@sources.redhat.com>
157 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
159 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
161 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
163 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
165 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
166 (integer_minus_one_node): Define.
168 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
170 * Makefile.in (bootstrap2-lean): Fix typo.
172 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
174 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
175 : Don't set fe_value.
176 * cpplib.h (AVOID_LPASTE): New flag.
177 (struct cpp_hashnode): Remove fe_value.
178 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
179 * cppmacro.c (builtin_macro): Don't set flags here.
180 (replace_args): Set AVOID_LPASTE flag on first token of an
181 argument, and the token following it.
182 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
183 macro expansion, and on the token following it. Do it for
185 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
187 2001-01-27 Richard Henderson <rth@redhat.com>
189 * config/alpha/t-ieee: Remove multilibbing.
190 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
192 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
194 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
196 * Makefile.in: Remove all dependencies on defaults.h.
197 * builtins.c: Don't include defaults.h.
198 * c-common.c: Likewise.
199 * c-decl.c: Likewise.
200 * c-pragma.c: Likewise.
201 * c-typeck.c: Likewise.
202 * combine.c: Likewise.
204 * frame-ia64.c: Likewise.
205 * cppexp.c: Likewise.
206 * crtstuff.c: Likewise.
207 * dbxout.c: Likewise.
208 * dwarf2out.c: Likewise.
209 * dwarfout.c: Likewise.
210 * emit-rtl.c: Likewise.
211 * except.c: Likewise.
214 * frame-dwarf2.c: Likewise.
215 * libgcc2.c: Likewise.
216 * optabs.c: Likewise.
217 * profile.c: Likewise.
218 * sdbout.c: Likewise.
219 * toplev.c: Likewise.
220 * tradcif.y: Likewise.
222 * varasm.c: Likewise.
224 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
226 * builtins.c (expand_builtin_fputs): Use size_one_node when
227 transforming into fwrite.
229 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
231 * extend.texi (Attribute Syntax): New section.
233 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
235 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
236 they didn't need fixing.
238 2001-01-27 Janis Johnson <janis@us.ibm.com>
240 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
242 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
243 to remove macro definitions that are duplicated from elfos.h.
245 2001-01-27 Richard Henderson <rth@redhat.com>
247 * config/i386/sco5gas.h: Move ...
248 * config/usegas.h: ... here.
249 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
251 2001-01-27 Jakub Jelinek <jakub@redhat.com>
253 * c-typeck.c (struct constructor_stack): Add range_stack member.
254 (really_start_incremental_init): Clear it.
255 (push_init_level): Save constructor_range_stack and clear it if
256 pushing explicit braces.
257 (pop_init_level): abort if constructor_range_stack is non-zero at
258 explicit closing brace. Restore saved constructor_range_stack if
261 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
263 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
264 into register was forced into memory.
266 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
268 * Makefile.in: Remove uses of + before $(MAKE).
270 2001-01-26 Richard Henderson <rth@redhat.com>
272 * stmt.c (cost_table): Remove.
273 (COST_TABLE, cost_table_initialized): New.
274 (estimate_case_costs): Use the later instead of the former.
275 (balance_case_nodes): Likewise.
277 2001-01-26 Richard Henderson <rth@redhat.com>
279 * alias.c (objects_must_conflict_p): Read-only slots may not
280 conflict despite having the same type.
282 2001-01-27 Michael Hayes <mhayes@redhat.com>
284 * loop.c (loop_giv_reduce_benefit): Copy mode size into
286 (check_ext_dependant_givs): Initialise u_start_val and
288 (load_mems): Make last_max_reg unsigned.
289 (try_swap_copy_prop): Use INSN_P and initialise set.
291 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
293 * README.AVR : Removed.
295 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
297 * pa-64.h (text_section): Remove declaration.
299 * pa.md (return_internal): Remove mode on PIC register use.
301 2001-01-25 lars brinkhoff <lars@nocrew.org>
303 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
304 ASM_CLOSE_PAREN): fix typos.
306 2001-01-25 Mark Mitchell <mark@codesourcery.com>
308 * acconfig.h: Define `const' to the empty string if neither
309 __STDC__ nor __cplusplus is defined.
310 * config.in: Regenerated.
312 2001-01-25 David Edelsohn <edelsohn@gnu.org>
314 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
315 * collect2.c (main): Delete importf. Add ".obj" file extension.
316 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
317 (aix_std_libs): Add additional AIX libraries to skip.
318 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
319 * config/rs6000/aix51.h: New file.
321 2001-01-25 Michael Hayes <mhayes@redhat.com>
323 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
324 (loop_insn_emit_before): No longer static.
325 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
326 (loop_givs_rescan, load_mems): Likewise.
327 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
328 (maybe_eliminate_biv_1):
329 (move_movables): Replace emit_call_insn_before with
330 loop_call_insn_hoist.
331 * loop.h (loop_insn_emit_before): Add.
332 * unroll.c (copy_loop_body): Replace emit_insn_before with
333 loop_insn_emit_before.
335 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
337 * diagnostic.c (fatal): Request preprocessed source.
339 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
341 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
342 olddecl has argument types and newdecl has none, use the argument
345 2001-01-24 Ulrich Drepper <drepper@redhat.com>
347 * dwarf2out.c (prefix_of): New function. Determine longest common
348 prefix of the two arguments. The units are whole path components.
349 (output_file_names): When adding a new directory find the one entry
350 with the longest common prefix already in the list. Artificially
351 generate entry if there is none for this prefix.
352 Fix test to check whether the zeroth directory entry is used.
354 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
356 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
357 Changed all callers. Take it into account when deciding if a
358 previously loaded value matches.
360 2001-01-24 Richard Henderson <rth@redhat.com>
362 * reload.c (find_reloads_subreg_address): Fail the substitution
363 if the resulting address is insufficiently aligned.
365 2001-01-24 DJ Delorie <dj@redhat.com>
367 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
368 check the original operand's mode also.
369 * simplify-rtx.c (simplify_ternary_operation): Ditto.
371 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
373 * c-parse.in (cast_expr): Move compound literals from here ...
374 (primary): ... to here. Use standard terminology "compound
375 literal" instead of "constructor expression".
377 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
379 * gcc.1, cpp.1: Regenerate.
381 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
383 * calls.c (emit_library_call_value_1): Memory slot for
384 pass-by-reference argument should have the mode of the argument,
385 not of the pointer to it.
387 2001-01-24 Tom Tromey <tromey@redhat.com>
389 * gcc.texi (G++ and GCC): Mention gcj manual.
390 (Standards): Link to section of manual mentioning gcj/Java
393 2001-01-24 Jakub Jelinek <jakub@redhat.com>
395 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
396 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
397 * tradcpp.c (main): Add -imacros or -include'd dependencies
399 * cpp.texi (-M, -MM): Document -M -include behaviour.
401 2001-01-24 Roger Collins <roger@ProProject.com>
403 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
405 2001-01-24 Will Cohen <wcohen@redhat.com>
407 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
408 whether registers are 32 bits or 64 bits in size.
410 2001-01-24 Ben Elliston <bje@redhat.com>
412 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
414 2001-01-24 Richard Henderson <rth@redhat.com>
416 * config/alpha/alpha.md (builtin_longjmp_internal): New.
417 (builtin_longjmp): Use it instead of emit_indirect_jump.
419 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
421 * bb-reorder.c (make_reorder_chain_1): Handle case where
422 jump edge goes to the same block as the fallthru edge.
424 2001-01-23 Jim Wilson <wilson@redhat.com>
426 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
427 * frame.h (__ia64_personality_v1): Add prototype.
428 * libgcc2.c (ia64_throw_helper): Change personality declaration to
429 prototype form. Add void * cast to first argument to personality
431 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
432 (asctoe113): Likewise.
433 * config/ia64/frame-ia64.c: Include eh-common.h.
434 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
436 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
438 (itanium_split_issue): Add prototype.
439 (gen_nop_type): Ifdef out.
440 (find_best_packet): Initialize best_packet.
441 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
443 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
444 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
445 (flushrs): Add explicit stop bit at end.
446 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
449 2001-01-23 Chris Demetriou <cgd@broadcom.com>
451 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
453 * libgcc2.c (__terminate_func): Make variable static.
454 (__terminate_set_func): New function to set __terminate_func.
455 * libgcc2.h (__terminate_func_ptr): New typedef.
456 (__terminate_set_func): New function.
458 2001-01-23 Richard Henderson <rth@redhat.com>
460 * flow.c (init_propagate_block_info): Don't consider unchanging
461 memories for dead frame store elimination.
463 2001-01-23 Richard Henderson <rth@redhat.com>
465 * varasm.c (UNIQUE_SECTION): Move default implementation ...
466 * defaults.h: ... here.
468 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
470 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
472 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
474 * c-lex.c (lex_charconst): Fix typo: s/p/str.
476 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
478 * rs6000.h (rs6000_return_addr): Move prototype from here...
479 * rs6000-protos.h (rs6000_return_addr): ...to here.
480 (rs6000_init_expanders): Delete prototype.
482 2001-01-23 Nick Clifton <nickc@redhat.com>
484 * invoke.texi: Replace , with \, inside @gccoptlist macros.
485 (Spec Files): Document %B and %j and %. and %v3 and %M and
486 %{S*&T} spec switches.
488 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
490 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
492 2001-01-23 Chris Demetriou <cgd@sibyte.com>
493 Neil Booth <neil@daikokuya.demon.co.uk>
495 * cpperror.c: Merge handlers of PEDWARN and WARNING.
496 Have -Werror make pedantic warnings errors, like the
499 2001-01-23 Phil Edwards <pme@sources.redhat.com>
501 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
503 2001-01-23 Jakub Jelinek <jakub@redhat.com>
505 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
506 * integrate.c (expand_inline_function): Initialize them.
507 (subst_constants): If changing COMPARE so that both its arguments
508 will be VOIDmode and the comparison mode will be lost, note
509 compare_mode. Use the recorded compare_mode to optimize
512 2001-01-23 Jason Merrill <jason@redhat.com>
514 * dwarf2out.c (new_die): Use xcalloc.
515 (output_die): Abort rather than emit a local reference to offset 0.
517 2001-01-17 Andrew Haley <aph@redhat.com>
519 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
520 of a saved register; return NULL instead.
521 (copy_reg): Take a pointer to a source register rather than a
523 (next_stack_level): Remember the address in the stack frame of all
525 Use the saved register pointer array as the source of the CFA.
526 (throw_helper): Rewrite. Unwind once rather than twice and keep
527 track of saved registers as we go.
529 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
531 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
532 * c4x.c (c4x_legitimize_reload_address): Remove.
533 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
534 reload address for ldp(k) insn.
536 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
538 * pa.md (return_internal): Add a USE of the PIC register to ensure
539 it is restored after each call.
540 (return expander): Corresponding changes.
542 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
544 * rs6000.h (INIT_EXPANDERS): Delete.
545 (RETURN_ADDR_RTX): Call rs6000_return_addr().
546 * rs6000.c (rs6000_override_options): Call *_machine_status from
548 (rs6000_init_expanders): ...instead of here. Delete.
549 (rs6000_mark_machine_status): New function.
550 (rs6000_init_machine_status): Use xcalloc.
551 (rs6000_return_addr): Generate RTX for the return address.
552 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
553 (rs6000_stack_info): Use it.
555 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
557 * gthr-win32.h: Include errno.h to get a declaration for
558 EINVAL and _mingw.h if the target is mingw32.
560 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
562 * cpp.texi: Correct typos.
564 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
566 * explow.c (probe_stack_range): Ensure value passed to
567 stack_check_libfunc is ptr_mode, not Pmode.
569 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
571 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
572 case, don't use operand_subword to calculate a SUBREG that is
575 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
577 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
579 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
580 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
581 valid. If not replace it by equivalent insns.
583 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
585 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
586 contains SYMBOL_REF, LABEL_REF and CONST_INT.
587 (c4x_U_constraint, symbolic_address_operand): Likewise.
588 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
590 (c4x_r11_set_p, c4x_check_laj_p): New functions.
591 * c4x-protos.h (c4x_check_laj_p): Add prototype.
592 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
593 anulling slot because of silicon bug.
594 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
596 2001-01-22 Alan Modra <alan@linuxcare.com.au>
598 * cppexp.c (parse_charconst): Change `mask' type to agree
601 2001-01-21 Richard Henderson <rth@redhat.com>
603 * config/i386/i386.c (ix86_asm_file_end): Disable putting
604 pic_label_name in a linkonce section.
606 2001-01-17 Philipp Thomas <pthomas@suse.de>
608 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
610 * configure: Regenerate.
612 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
614 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
615 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
617 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
619 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
620 If REVERSE nonzero then condition code in X must be reversed.
621 (encode_section_info): Optimise if/else.
622 (avr_function_value): Fix formatting.
624 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
625 (difficult_branch): Likewise.
626 (rvbranch): Likewise.
627 (difficult_rvbranch): Likewise.
629 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
631 * config/avr/libgcc.S: Fix comment.
633 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
635 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
637 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
639 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
641 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
643 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
644 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
645 * configure, config.in: Regenerate.
646 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
647 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
648 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
649 (doprint.o): New rule.
651 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
653 * c-typeck.c (digest_init): Handle boolean types as scalars.
655 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
657 * stmt.c (expand_return): Don't return anything if size is zero.
658 Delete redundant assignment to BYTES.
659 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
661 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
663 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
664 the same as the default library function names.
665 * config/avr/avr.md: Document special characters after '%'.
666 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
667 knowing which of the call-used registers are really clobbered.
668 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
669 New. Both quotient and remainder from one libgcc.S call.
670 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
671 clobber as few registers as possible.
672 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
674 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
676 * cppmacro.c (funlike_invocation_p): Don't move back up to the
677 context of the top of the stack.
679 2001-01-20 Jakub Jelinek <jakub@redhat.com>
681 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
682 (fixup_var_refs_insns): ...here.
684 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
686 * function.c (fixup_var_refs_insns): Break up into
687 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
688 [loop over entire insn list], and fixup_var_refs_insns_with_hash
689 [loop over hash table entries].
690 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
691 fixup_var_refs_insns_with_hash, to match above changes.
693 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
695 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
696 (libgcc.a): Likewise.
697 (stmp-multilib): Likewise.
698 (STAGE2_FLAGS_TO_PASS): Likewise.
700 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
702 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
703 temporary if no_new_pseudos.
705 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
707 * cppinternals.texi: Update.
709 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
711 * arm.c (arm_init_builtins): Re-enable builtins.
713 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
715 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
716 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
717 element to be null, and always expect an EXPR_LIST.
718 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
719 * sched-deps.c (sched_analyze_1): Likewise.
720 * sched-rgn.c (check_live_1, update_live_1): Likewise.
722 * regclass.c (max_set_parallel): New variable.
723 (reg_scan): Take it into account in computation of max_parallel.
724 (reg_scan_mark_refs, case SET): Compute it.
726 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
728 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
729 * function.c (assign_parms): Use INTVAL for a CONST_INT.
731 2001-01-19 Jason Merrill <jason@redhat.com>
733 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
734 for the abstract instance of an inline function.
736 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
737 J"orn Rennecke <amylaar@redhat.com>
739 * reload1.c (move2add_note_store): Treat all registers directly or
740 indirectly derived from a base register as members of the same set
742 (reload_cse_move2add): Adjust accordingly. Take mode and offset
743 of base register into account.
745 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
747 * alias.c (find_base_value): Recognize TRUNCATE.
748 (record_set): In PLUS case, invalidate if other summand is also a
751 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
753 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
754 entry to be EXPR_LIST.
755 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
756 be an EXPR_LIST (but not null, which other code doesn't allow).
757 (note_stores): Properly handle PARALLEL in SET.
758 Recursively call for top-level PARALLEL.
759 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
760 * sched-rgn.c (check_live_1, update_live_1): Likewise.
762 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
764 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
766 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
767 not pfile->skipping (== 0).
769 2001-01-17 Nick Clifton <nickc@redhat.com>
771 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
774 2001-01-17 Jim Wilson <wilson@redhat.com>
776 * invoke.texi (IA-64 options): Improve.
778 2001-01-17 Tom Tromey <tromey@redhat.com>
780 * invoke.texi (Optimize Options): Use `{}' to around @samp
783 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
785 * invoke.texi (-fno-guess-branch-probability): New option.
787 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
789 * combine.c (try_combine): Don't set i3_subst_into_i2 for
790 case of making new double-word constant.
791 Revert last change: instead just test i3_subst_into_i2.
793 2001-01-17 Jakub Jelinek <jakub@redhat.com>
795 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
796 Use q constraints instead of r.
798 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
800 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
801 (machine_function): Define.
802 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
803 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
804 pa_free_machine_status): New functions.
805 (override_options): Set {init,mark,free}_machine_status to above.
806 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
807 PIC_OFFSET_TABLE_REGNUM_SAVED.
808 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
809 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
810 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
811 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
812 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
814 2001-01-15 DJ Delorie <dj@redhat.com>
816 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
820 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
822 * flow.c (propagate_on_insn): Make trying to delete a prologue
823 or epilogue insn an ICE, not a warning. Allow doing this if
824 the current function returns with stack pointer depressed.
826 * combine.c (try_combine): If i3_subst_into_i2, properly check for
827 I3 having more than one SET.
829 2001-01-16 Jim Wilson <wilson@redhat.com>
831 * invoke.texi: Document IA-64 options.
833 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
834 (fixup_errata): Delete TARGET_A_STEP use.
835 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
836 (TARGET_SWITCHES): Delete -ma-step option.
837 * config/ia64/ia64.md (all FP patterns): Delete %B0.
838 (movqicc_astep, movqi_internal_astep, movhicc_astep,
839 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
840 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
841 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
842 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
844 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
845 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
846 cmovsi_internal): Delete ! TARGET_A_STEP check.
848 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
850 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
851 possibility to report bugs via postal mail. Change a URL and
852 merge in a nearly duplicate statement...
853 (Bug Reporting): ...from here.
854 (Service): Refer to the Bug Reporting section instead of
856 (Contributing): Remove trivial explanations concerning snapshots.
858 2001-01-16 Alan Modra <alan@linuxcare.com.au>
860 * cppmain.c (general_init): Don't use ANSI prototype.
862 2001-01-16 Tom Tromey <tromey@redhat.com>
864 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
866 2001-01-16 Richard Henderson <rth@redhat.com>
868 * config/i386/i386.h: Fix comment typo.
869 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
870 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
872 2001-01-16 Phil Edwards <pme@sources.redhat.com>
874 * gcc.c: Revert previous -fsyntax-only-related change; move
877 2001-01-16 Jakub Jelinek <jakub@redhat.com>
879 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
880 inmode after checking GET_CODE (op).
882 2001-01-16 Richard Henderson <rth@redhat.com>
884 * flow.c (struct propagate_block_info): Add mem_set_list_len.
885 (MAX_MEM_SET_LIST_LEN): New.
886 (propagate_one_insn): Update mem_set_list_len.
887 (invalidate_mems_from_autoinc): Likewise.
888 (invalidate_mems_from_set): Likewise.
889 (mark_used_regs): Likewise.
890 (init_propagate_block_info): Likewise. Stop collecting memories
891 when we reach MAX_MEM_SET_LIST_LEN.
892 (mark_set_1): Likewise.
894 2001-01-16 Richard Henderson <rth@redhat.com>
896 * unroll.c (precondition_loop_p): Fail if no iteration
899 2001-01-16 Phil Edwards <pme@sources.redhat.com>
901 * gcc.c: When -fsyntax-only is given, do not complain about
904 2001-01-15 Richard Henderson <rth@redhat.com>
906 * config/i386/i386.c (asm_output_function_prefix): Remove.
907 (ix86_asm_file_end): New.
908 (load_pic_register): Generate pic_label_name into a
909 staticly allocated buffer.
910 * config/i386/i386-protos.h: Update.
911 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
913 * config/i386/i386afe.h: New file.
914 * config.gcc (i?86-*-elf) [tm_file]: Use it.
915 (i?86-*-{freebsd,linux*,moss*}): Likewise.
916 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
917 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
918 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
919 * config/i386/sco5.h (ASM_FILE_END): Likewise.
920 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
922 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
924 * Makefile.in (install-man): Remove explicit dependency on
927 * configure.in, configure: Revert previous patch requiring perl
930 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
932 * toplev.c (flag_guess_branch_prob): New.
933 (f_options): Add guess-branch-probability option.
934 (rest_of_decl_compilation): Only estimate branch probability if
936 (main): set flag_guess_branch_prob.
938 * flags.h (flag_guess_branch_prob): New.
940 2001-01-15 DJ Delorie <dj@redhat.com>
942 * gcc.texi (Makefile): Add documentation for Makefile targets.
944 2001-01-15 Philip Blundell <philb@gnu.org>
946 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
948 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
949 (is_pic): Delete declaration.
950 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
951 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
952 * config/arm/arm.md (builtin_setjmp_receiver): New.
954 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
956 * arm.c (use_return_insn): Don't try to determine the function type
957 until after reload has completed.
958 (arm_output_epilogue): Don't adjust the sp value recovered from the
960 (emit_multi_reg_push): Don't record dwarf information for the pc.
961 * arm.md (eh_epilogue): The function type may have changed, so it
962 needs to be recalculated.
963 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
964 unwind tables on arm/netbsd.
966 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
968 * arm.md (cbranchsi4): Correct calculation of branch ranges.
969 (negated_cbranchsi4): Likewise.
971 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
973 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
974 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
975 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
976 pass -mapcs-* options to assembler.
977 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
978 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
979 (ASM_SPEC): Call subtarget_extra_asm_spec.
981 2001-01-15 Andreas Jaeger <aj@suse.de>
983 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
985 (ix86_expand_builtin): Likewise.
987 * gencodes.c (output_predicate_decls): Make i size_t to avoid
988 warning about comparison between signed and unsigned.
990 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
992 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
994 2001-01-14 Ralf Baechle <ralf@gnu.org>
996 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
997 SUBTARGET_CPP_SPEC apropriatly.
999 2001-01-12 Mark Mitchell <mark@codesourcery.com>
1001 * varasm.c (make_decl_rtl): Fix typo in last change.
1003 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
1005 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
1006 linker supports the init_priority C++ attribute.
1007 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
1008 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
1009 linker does not support init_priority C++ attribute.
1011 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
1013 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
1015 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
1017 * c-parse.in (finish_parse): Add comment about cpp_destroy.
1018 * cp/lex.c (finish_parse): Similarly.
1019 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
1020 Return the number of errors encountered.
1021 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
1022 * cppmain.c (main): Don't call cpp_destroy.
1024 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
1026 * configure.in: Require at least perl 5.6.0 to regenerate
1028 * configure: Regenerate.
1030 2001-01-14 Richard Henderson <rth@redhat.com>
1032 * genrecog.c (DT_veclen_ge): New.
1033 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
1034 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
1035 (nodes_identical_1): Handle DT_veclen_ge.
1036 (write_cond, debug_decision_2): Likewise.
1038 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
1040 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
1042 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
1044 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
1046 * cppmain.c (do_preprocessing): New function; most of the old
1048 (main): Call it to do most of the work.
1049 (cb): Move from global scope to set_callbacks ().
1050 (setup_callbacks): Get the callback pointer.
1051 (general_init, printer_init): Clean up code and comments.
1053 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
1055 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
1058 2001-01-14 Kazu Hirata <kazu@hxi.com>
1060 * config/h8300/h8300.c (get_shift_alg): Update comments.
1062 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1064 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
1065 (alloc_page, ggc_alloc): Add casts to remove warnings.
1067 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
1069 * combine.c (simplify_comparison): Don't change `code' when
1070 can't reverse comparison.
1072 2001-01-14 Richard Henderson <rth@redhat.com>
1074 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
1075 update all call sites. Return true for all non-label constants.
1077 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
1079 * i386.c (ix86_expand_compare): Add bypass_test and second_test
1081 (ix86_expand_branch): Update.
1082 (ix86_expand_setcc): Update to handle multiple test conditions.
1083 (expand_int_movcc): Likewise.
1084 (expand_fp_movcc): Likewise.
1085 * i386-protos.h (ix86_expand_compare): New.
1086 * i386.md (andqi_?_slp, orqi_?_slp): New.
1087 (conditional trap expander): Update call to ix86_expand_compare.
1089 2001-01-14 Richard Henderson <rth@redhat.com>
1091 * config/vax/vax.md: Use nonimmediate_operand instead of
1092 general_operand in destinations.
1094 * config/vax/vax.md (indirect_jump): Use register_operand.
1096 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
1097 * config/vax/vax.md (call_pop): Turn into an expander.
1098 (call_value_pop): Likewise.
1099 (call, call_value): New.
1101 2001-01-14 Andreas Jaeger <aj@suse.de>
1103 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
1105 (ix86_fp_compare_mode): Add unused attribute.
1106 (ix86_expand_fp_movcc): Remove unused variable.
1107 (ix86_expand_builtin): Make fcode unsigned.
1109 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
1110 (expand_expr): Add cast to avoid signed warning.
1111 (store_field): Likewise.
1112 (store_constructor_field): Likewise.
1113 (store_constructor): Likewise.
1114 (store_expr): Likewise.
1115 (clear_storage): Likewise.
1116 (emit_group_store): Likewise.
1117 (emit_group_load): Likewise.
1119 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
1121 * c-common.c: Move format checking code to ...
1122 * c-format.c: ... here. New file. Reorder some functions and
1124 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
1126 * c-common.h (decl_handle_format_attribute,
1127 decl_handle_format_arg_attribute): Declare.
1128 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
1129 (c-common.o): Adjust dependencies.
1130 (c-format.o): New list of dependencies.
1132 2001-01-13 Jakub Jelinek <jakub@redhat.com>
1134 * unroll.c (loop_iterations): If we cannot prove iteration variable
1135 is set once in each iteration, punt.
1137 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
1139 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
1140 (*strlenhi): Remove clobber (which was buggy) of output address.
1142 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
1144 * Makefile.in (generated-manpages): Add gcc.1
1145 ($(srcdir)/gcc.1): New target.
1146 (maintainer-clean): Delete $(srcdir)/gcc.1.
1147 * gcc.texi: Add macros @gccoptlist and @gol.
1148 * invoke.texi: Include option summary in manpage. Mark up option
1149 summary with @gccoptlist and @gol. Use @r in one place where
1151 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
1152 * gcc.1: Generate from invoke.texi.
1154 2001-01-13 Richard Henderson <rth@redhat.com>
1156 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
1157 (struct page_entry): Add group member.
1158 (struct page_group): New.
1159 (struct globals): Add page_groups member.
1160 (alloc_anon): Only define for using mmap; remove valloc call.
1161 (page_group_index): New.
1162 (set_page_group_in_use): New.
1163 (clear_page_group_in_use): New.
1164 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
1165 (free_page, release_pages): Likewise.
1166 * configure.in (with-gc): Default to ggc-page always.
1168 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
1170 * reload1.c (replace_pseudos_in_call_usage): Use
1171 reg_equiv_constant and reg_equiv_address, and don't try
1172 regno_reg_rtx first.
1174 2001-01-13 Richard Henderson <rth@redhat.com>
1176 * ggc-page.c (alloc_page): Round up allocation size to one page.
1177 Set e->order on extra pages.
1179 2001-01-13 Richard Henderson <rth@redhat.com>
1181 * genrecog.c (nodes_identical): Expand commentary.
1182 (write_switch): Watch out for identical nodes.
1184 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1186 * cppfiles.c (_cpp_fake_include): New function.
1187 * cpphash.h (_cpp_fake_include): New.
1188 * cpplib.c (do_line): Call _cpp_fake_include when entering
1189 header files in preprocessed input.
1190 * cppmain.c (cb_pragma_implementation): Remove handling.
1191 (setup_callbacks): Don't register pragmas.
1193 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1195 * extend.texi: Udate for CPP.
1197 2001-01-13 Andreas Jaeger <aj@suse.de>
1199 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
1201 * regmove.c: Add prototype for replace_in_call_usage.
1203 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1205 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
1206 struct cpp_chunk, struct htab, struct toklist,
1207 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
1208 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
1209 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
1210 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
1211 (struct macro_args): Delete.
1212 * cpphash.h: See above.
1214 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1216 * cppmain.c (struct printer): Remove no_line_dirs.
1218 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
1219 : Use options rather than CPP_OPTION.
1220 (setup_callbacks): Use cb rather than pfile->cb.
1221 (main): No need to check for a buffer. Use cpp_errors.
1222 (printer_init): Don't set no_line_dirs.
1223 (maybe_print_line): Use options not no_line_dirs.
1224 (cb_file_change): Don't call print_line if -P.
1226 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1228 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
1230 * c-parse.in (finish_parse): Use cpp_errors.
1231 (__yylex): Use return value of cpp_pop_buffer.
1232 * cp/lex.c (finish_parse): Use cpp_errors.
1233 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
1235 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
1237 * README.AVR: URLs corrected.
1239 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1241 * c-decl.c (start_function): Don't warn if old prototype is builtin
1242 that's not in C's namespace.
1243 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
1244 (_bb): Add prototype for ctime.
1245 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
1247 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
1249 * i386.c (ix86_fp_comparison_arithmetics_cost,
1250 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
1251 ix86_fp_comparison_cost): New functions.
1252 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
1253 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
1254 two-branch sequences; make static.
1255 (ix86_use_fcomi_compare): Do decision according to the costs.
1256 (split_fp_branch): New.
1257 * i386.md (compare-and-branch patterns): Use split_fp_branch.
1258 * i386-protos.h (ix86_expand_fp_compare): Remove
1259 (ix86_split_fp_branch): Declare.
1261 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
1262 and ix86_comparison_operator.
1264 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
1267 * i386.c (put_condition_code): Output properly the unordered/ordered
1268 compares in fp case.
1269 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
1271 * tm.texi (REVERSE_CONDITION): Document.
1272 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
1273 in -ffast-math mode.
1274 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
1276 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
1278 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
1280 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
1283 * config/sh/sh.c (mova_p): Fix test for mova_const.
1285 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1287 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
1288 cpp_get_options rather than dereferencing pfile and using
1290 * scan-decls.c (scan_decls): Use return value of
1291 cpp_pop_buffer rather than CPP_BUFFER.
1293 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
1295 * cppinit.c (cpp_handle_option): help_only is now part of the
1296 cpp_options structure.
1297 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
1298 cpp_set_callbacks): New functions.
1299 * cpplib.h (cpp_callbacks): Break out as a named structure.
1300 (cpp_options): Move help_only here from cpp_reader.
1301 (CPP_FATAL_ERRORS): Update to use cpp_errors.
1302 (cpp_errors, cpp_get_options, cpp_get_callbacks,
1303 cpp_set_callbacks): New prototypes.
1304 * cppmain.c (main): Update for help_only.
1306 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
1308 * Makefile.in (info, maintainer-clean, install-info, uninstall):
1309 Also build and remove and install and uninstall c-tree.info and
1311 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
1312 ($(srcdir)/cppinternals.info): New target.
1313 * c-tree.texi: Change file name used when makeinfo used without -o
1314 from ir.info to c-tree.info. Add info directory entry.
1315 * cppinternals.texi: Add info directory entry.
1316 * .cvsignore: Update.
1318 2001-01-12 Jakub Jelinek <jakub@redhat.com>
1320 * c-typeck.c (store_init_value): Don't require constant initializer
1321 elements with -pedantic -std=c99.
1322 (digest_init): Change error about non-constant initializer elements
1324 (constructor_range_end): Remove.
1325 (constructor_incremental, designator_depth,
1326 designator_errorneous): New variables.
1327 (struct constructor_stack): Remove range_end, add incremental.
1328 (struct constructor_range_stack, constructor_range_stack): New.
1329 (struct initializer_stack): Add constructor_range_stack.
1330 (finish_init): Set it.
1331 (start_init): Likewise. require_constant_elements for non-static
1332 trees only if not flag_isoc99.
1333 (really_start_incremental_init): Remove constructor_range_end, add
1334 constructor_incremental.
1335 (pop_init_level): Likewise.
1336 (push_init_level): Likewise. If implicit and the subobject had some
1337 value set already, preinitialize the level with it.
1338 Warn about missing braces only if not pushing due to designators.
1339 (set_designator, push_range_stack): New functions.
1340 (set_init_label): Use them.
1341 (set_init_index): Likewise. Remove constructor_range_end.
1342 Error if designator index is outside of array bounds.
1343 (add_pending_init): Compare values of purpose index trees, not the
1344 trees themselves. Allow overwriting of already initialized element.
1345 Issue a warning if it had side-effects.
1346 (set_nonincremental_init, set_nonincremental_init_from_string): New
1348 (pending_init_member): Rename to...
1349 (find_init_member): ...this function. Call set_nonincremental_init
1350 if necessary. Compare values of purpose index trees, not the trees
1351 themselves. Return the actual value, not just non-zero if something
1353 (output_init_element): Remove checks for duplicates.
1354 If field has zero size, only check the initializer for correctness.
1355 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
1356 if constructor_incremental is zero. Change error about initializers
1357 not computable at load time into pedwarn.
1358 (output_pending_init_elements): Compare bit positions, not
1359 FIELD_DECLs to take into account zero-sized fields.
1360 (process_init_element): Use constructor_range_stack to fill all
1361 ranges in the designator lists from current level up.
1362 * extend.texi: Update documentation for labeled elements.
1364 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
1366 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
1367 to function usage for arguments passed by reference. Optimize
1368 callee-copied arguments.
1369 * regmove.c (replace_in_call_usage): New function.
1370 (fixup_match_1): Call it.
1371 * cse.c (cse_insn): Canonicalize registers in function usage.
1372 * reload1.c (replace_pseudos_in_call_usage): New function.
1375 * Makefile.in: Reverted yesterday's wrong patch. Installed the
1378 2001-01-12 Jakub Jelinek <jakub@redhat.com>
1380 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
1383 2001-01-12 DJ Delorie <dj@redhat.com>
1385 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
1386 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
1389 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
1391 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
1392 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
1393 -std options alongside references to -ansi. Update some
1394 documentation for C99.
1395 * cpp.1: Regenerate.
1397 2001-01-12 Andreas Jaeger <aj@suse.de>
1399 * haifa-sched.c (restore_line_notes): Remove argument block B
1401 * sched-ebb.c (schedule_ebb): Change caller.
1402 * sched-rgn.c (schedule_region): Likewise.
1403 * sched-int.h (restore_line_notes): Adjust prototype.
1405 * loop.h: Remove wrong declaration of doloop_condition_get.
1407 2001-01-12 Phil Edwards <pme@sources.redhat.com>
1409 * extend.texi: Move C++-extension-related node from the C section
1410 into the C++ section.
1412 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
1414 * extend.texi: Refer to an array of pointers to functions instead
1415 of one of functions.
1417 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
1418 Jan Hubicka <jh@suse.cz>
1420 * combine.c (reversed_comparison): Fix typo in last patch.
1422 (combine_reversed_comparison_code): Make static to follow
1423 prototype declaration.
1425 2001-01-12 Phil Edwards <pme@sources.redhat.com>
1427 * install.texi: Remove misplaced duplicate entry.
1429 2001-01-11 Ulrich Drepper <drepper@redhat.com>
1431 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
1433 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
1435 * final.c: (leaf_function_p): Fix typo.
1437 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
1439 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
1440 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
1442 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
1443 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
1444 mmap_anon, and valloc is available.
1445 * ggc-page.c: Restructure ifdef logic to match new autoconf
1446 spec. Don't throw away the test page in init_ggc.
1448 * configure, config.in: Regenerate.
1450 2001-01-12 Michael Hayes <mhayes@redhat.com>
1452 * loop.h (total_biv_increment): Constify iv_class pointer.
1453 (struct induction): Replace `mem_mode' with `mem' rtx.
1454 * unroll.c (total_biv_increment): Constify iv_class pointer.
1455 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
1456 (find_mem_givs, combine_givs_p): Likewise.
1457 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
1459 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
1461 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
1463 (__gthread_getspecific): Ditto.
1465 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
1467 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
1468 put_condition_code): Convert fp comparison codes to integer
1470 (ix86_expand_fp_compare): Postnote the fp comparison code converison
1473 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
1474 * i386-protos.h (no_comparison_operator): Kill.
1476 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
1478 * combine.c (REVERSIBLE_CC_MODE): Remove.
1479 (reversible_comparison_p): Remove.
1480 (combine_reversed_comparison_code): New.
1481 (reversed_comparison): New.
1482 (combine_simplify_rtx): Use
1483 combine_reversed_comparison_code/reversed_comparison instead
1484 of reversible_comparison_p.
1485 (simplify_if_then_else): Likewise.
1486 (simplify_set): Likewise.
1487 (simplify_logical): Likewise.
1488 (if_then_else_cond): Likewise.
1489 (known_cond): Likewise.
1490 (simplify_comparison): Likewise.
1492 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
1494 * builtins.c (std_expand_builtin_va_start): Handle varargs when
1495 sizeof (int) is larger than sizeof(__word__).
1497 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1499 * cppinit.c (do_includes): Fix typo.
1501 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1503 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
1504 in S_REGS does not occur because not all sources are possible
1505 when a S_REGS is a destination (sometimes needs a clobber).
1506 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
1507 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
1508 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
1509 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
1510 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
1511 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
1512 (lshrdi_const1, lshrsi3_const16): Likewise.
1513 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
1514 (*movhi_68hc12, *movqi_68hc12): Likewise.
1515 (movstrictqi): Make sure reloading in D_REGS as a destination
1518 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1520 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
1522 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1524 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
1525 -D, -U and -A, and don't initialize the builtins.
1526 (do_includes): Error if -include or -imacros with -fpreprocessed.
1527 * cppmain.c (cb_define, cb_undef): Unconditionally process
1529 * tradcpp.c (main): Fix typo.
1531 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
1533 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
1534 (read_name_map): Use IS_ABSOLUTE_PATH.
1535 * tradcpp.c (get_filename): Likewise.
1537 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1539 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
1540 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
1541 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
1542 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
1543 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
1544 (cmphi_z_used): Don't use '@' for the output.
1545 (tstqi_z_used): Likewise.
1546 (cmpqi_z_used): Likewise.
1547 (one_cmplsi2): Likewise.
1549 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
1551 * config/sh/sh.c (barrier_align): Recognize branch around far
1552 branch and redundant insn.
1554 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1556 * invoke.texi: Restore documentation of the drivers' switches -MD
1559 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
1561 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
1563 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
1564 check-objc//%): Support parallel testing of multilibs.
1565 (TESTSUITEDIR): Set to testsuite by default, but override for
1567 (check-gcc, check-g++, check-g77, check-objc): Enter
1570 2001-01-11 Bernd Schmidt <bernds@redhat.com>
1572 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
1573 * sched-deps.c (deps_may_trap_p): Likewise.
1574 * basic-block.h: Remove a comment.
1575 * flow.c (PROP_POSTRELOAD): Remove.
1576 (update_life_info): Don't add it to prop_flags.
1577 (mark_set_1): Lose the code that was enabled by it.
1579 2001-01-11 Michael Hayes <mhayes@redhat.com>
1581 * flow.c (flow_call_edges_add): New.
1582 * basic_block.h (flow_call_edges_add): New.
1584 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
1586 * reload1.c (move2add_note_store): Update reg_set_luid even if
1587 base reg remains the same.
1589 2001-01-10 Nick Clifton <nickc@redhat.com>
1591 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
1592 machine_function structure to zero.
1593 Add prototypes for machine_status functions.
1595 2001-01-10 Mark Mitchell <mark@codesourcery.com>
1597 * c-common.h (CTI_VOID_LIST): Remove.
1598 (void_list_node): Likewise.
1599 * tree.h (TI_VOID_LIST_NODE): New enumeral.
1600 (void_list_node): New macro.
1601 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
1602 * config/i386/i386.c (ix86_init_builtins): Likewise.
1603 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
1605 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1607 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
1608 * cppinit.c (cpp_start_read): Update comment, remove unneeded
1610 * tradcpp.c: Include mkdeps.h.
1611 (deps, print_deps_phony_targets, deps_append, output_deps,
1612 init_dependency_output, output_deps): New.
1613 (deps_buffer, deps_allocated_size, deps_size, deps_column,
1614 deps_output): Delete.
1615 (print_deps_missing_files): Rename deps_missing_files.
1616 (inhibit_output): Make global.
1617 (main): Delete inhibit_output, deps_stream, deps_target.
1618 Use mkdeps functionality in the same way as cpplib. Remove
1619 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
1620 -M and -MM. Remove old handling of deps via deps_out, and
1621 old reading of environment variables.
1622 (get_filename): Update to use deps_add_dep.
1624 2001-01-10 Mark Mitchell <mark@codesourcery.com>
1626 * output.h (make_function_rtl): Remove prototype.
1627 (make_decl_rtl): Likewise.
1628 * varasm.c (make_function_rtl): Remove.
1629 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
1630 than from a third parameter.
1631 * tree.h (make_decl_rtl): Remove last parameter.
1632 * c-decl.c (builtin_function): Remove last argument in call to
1633 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
1634 (start_function): Likewise.
1635 * except.c (call_get_eh_context): Likewise.
1636 * expr.c (emit_block_move): Likewise.
1637 (clear_storage): Likewise.
1638 * profile.c (output_func_start_profiler): Likewise.
1639 * toplev.c (rest_of_decl_compilation): Likewise.
1640 * objc/objc-act.c (create_builtin_decl): Likewise.
1641 (synth_module_prologue): Likewise.
1642 (generate_static_reference): Likewise.
1643 (build_selector_reference_decl): Likewise.
1644 (build_class_reference_decl): Likewise.
1645 (build_objc_string_decl): Likewise.
1646 (build_protocol_reference): Likewise.
1648 2001-01-10 Richard Henderson <rth@redhat.com>
1650 * hwint.h: Revert yesterday's change.
1652 2001-01-10 Nick Clifton <nickc@redhat.com>
1654 * function.h (save_machine_status): Delete.
1655 (restore_machine_status): Delete.
1656 Amend comment describing {init|mark|free}_machine_status.
1658 * function.c (save_machine_status): Delete.
1659 (restore_machine_status): Delete.
1660 Amend comment describing {init|mark|free}_machine_status.
1661 (push_function_context_to): Remove invocation of
1662 save_machine_status.
1663 (pop_function_context_from): Remove invocation of
1664 restore_machine_status.
1666 * emit-rtl.c (init_emit_once): Amend comment describing
1667 {init|mark|free}_machine_status.
1669 * tm.texi (Per-Function Data): New node. Describe the
1670 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
1673 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1675 * cppinit.c (OPT_g): Remove.
1676 (cpp_handle_option): Update for removed -g3.
1677 (print_help): Update.
1678 * cpplib.h (struct cpp_options): Remove debug_output.
1679 * cppmain.c (setup_callbacks, cb_define): Update.
1680 * gcc.c (cpp_options): Translate -g3 to -dD.
1682 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
1684 * config/i960/i960.md: Change modifier to + on the zero_extract
1685 pattern after the (rotate -2 reg) canonicalization pattern.
1687 2001-01-10 Richard Henderson <rth@redhat.com>
1689 * config/alpha/alpha.c (alpha_free_machine_status): New.
1690 (override_options): Install it.
1691 (alpha_mark_machine_status): Verify machine non-null.
1692 * config/i386/i386.c (ix86_free_machine_status): New.
1693 (override_options): Install it.
1694 (ix86_init_machine_status): Use xcalloc.
1695 (ix86_mark_machine_status): Verify machine non-null.
1696 * config/ia64/ia64.c (ia64_free_machine_status): New.
1697 (ia64_override_options): Install it.
1698 (ia64_mark_machine_status): Verify machine non-null.
1700 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
1702 * function.c (instantiate_virtual_regs): Instantiate virtual
1703 registers found in CALL_INSN_FUNCTION_USAGE.
1705 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1707 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
1708 equivalent to -ansi in disabling -Di386.
1710 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
1712 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
1714 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
1716 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
1718 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
1720 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1722 * invoke.texi: Document that -fcond-mismatch isn't supported for
1725 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1727 * gcc.texi: Define macro gcctabopt.
1728 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
1729 @command, @env and @option in some places where appropriate. Use
1730 @gcctabopt where appropriate. Put URLs and email addresses inside
1733 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
1735 * gcc.c (cpp_options): Set MD file name from output
1736 filename, if specified.
1737 (suffix_subst): New static variable.
1738 (do_spec): Clear it.
1739 (do_spec_1, case '.'): Handle new `%.suffix' spec.
1741 (give_switch): Handle suffix_subst.
1743 2001-01-10 Phil Edwards <pme@sources.redhat.com>
1745 * invoke.texi: Fix another typo.
1747 2001-01-10 Phil Edwards <pme@sources.redhat.com>
1749 * invoke.texi: Fix typo.
1751 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1753 * c-lang.c (lang_hooks): Update.
1754 (lang_decode_option): Remove.
1755 (lang_init_options): Rename c_init_options.
1756 * toplev.c (main): Use lang_hooks for lang_init_options
1757 and lang_decode_option.
1758 * toplev.h (lang_hooks): Add 2 new hooks.
1759 * tree.h: Remove lang_init_options and lang_decode_option.
1760 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
1761 * cp/decl2.c: Similarly.
1762 * cp/lex.c (lang_init_options): Rename cxx_init_options.
1763 (lang_hooks): Update.
1764 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
1766 (lang_init_options): Rename ffe_init_options.
1767 (lang_hooks): Update.
1768 (lang_decode_option): Remove.
1769 * java/lang.c (lang_init_options): Rename java_init_options.
1770 (lang_decode_option): Rename java_decode_option.
1771 (lang_hooks): Update.
1772 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
1773 (lang_decode_option): Rename objc_decode_option.
1774 (lang_hooks): Update.
1776 2001-01-09 Nick Clifton <nickc@redhat.com>
1778 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
1779 (d30v_return_addr_rtx): Delete.
1780 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
1781 cfun->machine structure.
1782 (struct machine_function): Move to d30v.h
1783 (d30v_save_machine_status): Delete.
1784 (d30v_restore_machine_status): Delete.
1785 (d30v_init_machine_status): New Function.
1786 (d30v_mark_machine_status): New Function.
1787 (d30v_free_machine_status): New Function.
1788 (d30v_init_expanders): Use new functions.
1789 (d30v_return_addr): Use ra_rtx field in cfun->machine.
1790 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
1791 d30v_return_addr_rtx.
1793 * config/d30v/d30v.h (struct_machine): Move here.
1794 Add eh_epilogue_sp_ofs field.
1796 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
1797 field in cfun->machine structure.
1799 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
1801 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
1802 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
1803 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
1805 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
1807 * objc/lang-options.h: Remove bogus reference to
1810 2001-01-09 Kazu Hirata <kazu@hxi.com>
1812 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
1815 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
1817 * reload.c (find_reloads_address): Check for eliminable registers
1818 when substituting a constant expression for a pseudo.
1820 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
1822 * c-common.c (enum format_type): Add format_type_error.
1823 (decode_format_type): New function.
1824 (decl_attributes): Use it.
1825 (format_kind_info): Adjust comment.
1827 2001-01-09 David O'Brien <obrien@BSDi.com>
1829 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
1830 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
1832 * config/i386/gnu.h: Don't include required platform specific .h files,
1833 tm.h will do it instead.
1834 * config/i386/i386elf.h: Likewise.
1835 * config/i386/linux.h: Likewise.
1836 * config/i386/moss.h: Likewise.
1837 * config/mips/gnu.h: Likewise.
1839 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1841 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
1842 (rs6000-ibm-aix3.[01]*): Likewise.
1843 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
1844 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
1845 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
1846 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
1847 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
1848 (powerpc-*-eabiaix*): Likewise.
1849 (powerpc-*-eabisim*): Likewise.
1850 (powerpc-*-elf*): Likewise.
1851 (powerpc-*-eabi*): Likewise.
1852 (powerpc-*-rtems*): Likewise.
1853 (powerpc-*-linux*libc1): Likewise.
1854 (powerpc-*-linux*): Likewise.
1855 (powerpc-wrs-vxworks*): Likewise.
1856 (powerpcle-wrs-vxworks*): Likewise.
1857 (powerpcle-*-sysv*): Likewise.
1858 (powerpcle-*-elf*): Likewise.
1859 (powerpcle-*-eabisim*): Likewise.
1860 (powerpcle-*-eabi*): Likewise.
1861 (powerpcle-*-solaris2*): Likewise.
1862 * config/rs6000/aix31.h: Delete includes.
1863 * config/rs6000/aix3newas.h: Likewise.
1864 * config/rs6000/aix41.h: Likewise.
1865 * config/rs6000/aix43.h: Likewise.
1866 * config/rs6000/beos.h: Likewise.
1867 * config/rs6000/rtems.h: Likewise.
1868 * config/rs6000/sysv4.h: Likewise.
1870 2001-01-09 Kazu Hirata <kazu@hxi.com>
1872 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
1873 Change an argument mode of machine_mode to shift_mode of
1874 shift_mode. Remove an extra error check.
1875 (emit_a_shift): Adopt to the new calling prototype of
1877 (function_prologue): Fix code for a monitor
1878 function. Support H8/S.
1879 (function_epilogue): Do not output pop for a monitor function.
1881 2001-01-09 Nick Clifton <nickc@redhat.com>
1883 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
1884 (setup_incoming_varargs): Use sysv_varargs_p field of the
1885 cfun->machine structure.
1886 (struct machine_function): Move to rs6000.h
1887 (rs6000_save_machine_status): Delete.
1888 (rs6000_restore_machine_status): Delete.
1889 (rs6000_init_machine_status): New Function.
1890 (rs6000_free_machine_status): New Function.
1891 (rs6000_init_expanders): Use new functions.
1893 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
1895 (struct machine_function): Move here.
1897 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
1898 sysv_varargs_p field of the cfun->machine structure.
1900 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
1902 (rs6000_restore_machine_status): Remove prototype.
1904 2001-01-09 Richard Henderson <rth@redhat.com>
1906 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
1907 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
1908 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
1909 (sched_analyze_2, sched_analyze_insn): Likewise.
1910 (sched_analyze, init_deps): Likewise.
1911 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
1912 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
1913 (compute_block_backward_dependences): Update propagate_deps call.
1915 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
1917 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
1919 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1921 * cppinit.c (OPT_MD, OPT_MMD): Restore.
1922 (cpp_handle_option): Handle them.
1923 (cpp_post_options): Ensure one of -M or -MM is specified with
1924 any other -M? option.
1925 (init_dependency_output): Suppress output with -MG.
1927 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1930 * invoke.texi: Update.
1932 2001-01-09 Bernd Schmidt <bernds@redhat.com>
1934 * sh.md (reload_outsf): Generate recognizable patterns for
1937 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1939 * c-lang.c (lang_hooks): Update.
1940 (lang_init): Rename c_init.
1941 (lang_finish): Remove.
1942 * toplev.c (compile_file): Use lang_hooks for lang_init ()
1944 * toplev.h (lang_hooks): Add init () and finish ().
1945 * tree.h (lang_init, lang_finish): Remove.
1946 * cp/tree.h (lang_init, lang_finish): Remove.
1947 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
1948 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
1950 (lang_init, lang_finish): Remove.
1951 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
1952 (lang_hooks): Update.
1953 * java/lang.c (lang_init): Rename java_init.
1954 (lang_finish): Remove.
1955 (lang_hooks): Update.
1956 * objc/objc-act.c (lang_init): Rename objc_init.
1957 (lang_finish): Remove.
1958 (lang_hoooks): Update.
1960 20001-01-09 Graham Stott <grahams@redhat.com>
1962 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
1963 after `ptr` is initialised.
1965 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1967 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
1968 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
1969 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
1970 stack adjusts, instead of r3.
1972 2001-01-09 Michael Hayes <mhayes@redhat.com>
1974 * flow.c (flow_loop_scan): Break out of ...
1975 (flow_loops_find) ... here.
1976 * basic-block.h (flow_loop_scan): New.
1977 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
1978 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
1980 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1982 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
1984 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
1985 realloc()ing macro_buffer.
1987 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
1988 if it's wider than long and the target's long is wider than the
1991 2001-01-09 Mark Mitchell <mark@codesourcery.com>
1993 Remove support for using UWIN as a host machine.
1994 * configure.in: Issue an error message.
1995 * configure: Regenerated.
1996 * config.gcc: Remove xm_* UWIN configury.
1997 * config/i386/xm-uwin.h: Remove.
1999 2001-01-08 Nick Clifton <nickc@redhat.com>
2001 * config/v850/v850.c (ra_rtx): Delete.
2002 (v850_save_machine_status): Delete.
2003 (v850_restore_machine_status): Delete.
2004 (v850_init_machine_status): New function.
2005 (v850_mark_machine_status): New function.
2006 (v850_free_machine_status): New function.
2007 (v850_return_addr): Use ra_rtx field in machine structure.
2008 (v850_init_expanders): Use new functions.
2010 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
2011 * config/v850/v850.c: Change arguments to v850_output+* functions
2012 to take a const char *, to avoid compile time warning.
2013 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
2014 (USER_LABEL_PREFIX): Redefine.
2016 2000-01-08 Jim Wilson <wilson@redhat.com>
2018 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
2019 1 to unsigned HOST_WIDE_INT before left shift.
2021 2001-01-08 Nick Clifton <nickc@redhat.com>
2023 * config/arm/arm.c (arm_mark_machine_status): Check to see if
2024 the machine structure has been allocated.
2025 (arm_free_machine_status): New function: Free the machine
2026 specific function structure.
2028 2001-01-08 Richard Henderson <rth@redhat.com>
2030 * jump.c (simplejump_p): Revert last change.
2032 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
2034 * cppinit.c (init): Rename init_library.
2035 (cpp_create_reader): Update.
2036 * gcc.c (cpp_options): If -o given, use it as the target of
2039 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
2041 * arm.c (arm_arch5e): New variable.
2042 (all_cores): XScale is a 5TE device.
2043 (arm_override_options): Set arm_arch5e.
2044 (arm_init_builtins): __builtin_prefetch is in arch5e.
2045 * arm.h (arm_arch5e): Declare it.
2047 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
2049 * arm.md (define_constants): Add defines for UNSPEC and
2050 UNSPEC_VOLATILE insns. Update all users.
2051 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
2052 * arm.c (multi_register_push, note_invalid_constants)
2053 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
2054 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
2055 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
2057 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
2059 * jump.c (jump_optimize_1): Use reversed_comparison_code
2060 instead of can_reverse_comparison_p.
2061 (jump_back_p): Likewise.
2062 (invert_exp_1): Likewise.
2063 (thread_jumps): Likewise.
2064 * simplify-rtx.c (simplify_unary_operation): Likewise.
2065 (simplify_ternary_operation): Likewise.
2066 * cse.c (find_comparison_args): Convert to use
2067 can_reverse_comparison_p.
2068 (record_jump_equiv): Likewise.
2070 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
2072 * arm.h (HARD_REGNO_RENAME_OK): Delete.
2073 (EPILOGUE_USES): Define.
2074 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
2075 automatically stack the LR if it isn't live.
2077 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
2079 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
2082 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
2084 * ggc-page.c (max_alignment): New structure.
2085 (MAX_ALIGNMENT): New macro.
2086 (init_ggc): Use it to round up the sizes in the
2087 extra_order_size_table.
2089 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2091 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
2094 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2096 * builtins.def (BUILT_IN_FPRINTF): New entry.
2098 * c-common.c (c_expand_builtin_fprintf): New function.
2099 (init_function_format_info): Handle __builtin_fprintf.
2100 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
2101 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
2103 * c-decl.c (duplicate_decls): Adjust comment.
2105 * extend.texi (fprintf): Document new builtin.
2107 2001-01-07 Richard Henderson <rth@redhat.com>
2109 * jump.c (simplejump_p): Recognize any single_set jump
2112 2001-01-07 Richard Henderson <rth@redhat.com>
2114 * configure.in (slibdir): Accept an --with-slibdir option.
2115 Use "test" not "[" in configure. Default to $(libdir).
2117 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
2119 * config/t-aix43 (SHLIB_INSTALL): Likewise.
2120 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
2121 (SHLIB_LINK): Create links for the soname.
2122 * config/mips/t-iris6: Likewise.
2123 * config/sparc/t-slibgcc: Likewise.
2124 * config/sparc/t-slibgcc-sld: Likewise.
2126 2001-01-07 Jakub Jelinek <jakub@redhat.com>
2128 * config/i386/i386.c (constant_call_address_operand): Accept
2129 (const (plus (symbol_ref) (const_int))).
2130 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
2131 constant_call_address_operand.
2133 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2135 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
2136 and LONG_LONG_TYPE_SIZE > 32.
2138 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2140 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
2141 the previous change.
2143 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
2145 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
2147 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
2148 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
2149 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
2152 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2154 * fix-header.c (read_scan_file): s/pfile/scan_in/.
2156 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2158 * c-lang.c (c_post_options): Call cpp_post_options.
2159 * objc/objc-act.c (objc_post_options): Similarly.
2160 * cppmain.c (main): Similarly.
2161 * fix-header.c (read_scan_file): Similarly.
2162 * cppinit.c (cpp_start_read): Move option consistency checks
2163 to cpp_post_options. Don't call init_dependency_output.
2164 If needed, add default target and main file dependency.
2165 (OPT_MD, OPT_MMD): Remove.
2167 (cpp_handle_option): Update for OPT_* changes.
2168 (cpp_post_options): New.
2169 (init_dependency_output): Command line -MF overrides environment
2170 variables. Don't set default target etc. Suppress output
2171 if dependencies are going to stdout.
2172 (print_help): Update.
2173 * cpplib.h (cpp_post_options): New.
2174 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
2176 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
2178 * jump.c (comparison_dominates_p): Support unordered compares.
2180 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
2182 * simplify-rtx.c (simplify_relational_operation): Always simplify
2183 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
2186 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
2188 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
2189 (nonzero_bits): Likewise.
2190 (simplify_comparison): Likewise.
2191 (num_sign_bit_copies): Likewise; return more sane value depending
2192 on STORE_FLAG_VALUE.
2193 (known_cond): Do not assume EQ to be always true for equivalent
2196 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
2198 * cse.c (fold_rtx): Handle unordered comparisons.
2200 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
2202 * rtlanal.c (set_of_1): New static function.
2203 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
2204 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
2205 reg_set_last_last_regno): Remove.
2206 (set_of): New global function.
2207 (set_of_data): New structure.
2208 (reg_set_p, reg_set_last): Revamp for set_of.
2209 * rtl.h (set_of): New.
2211 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
2213 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
2214 * extend.texi: Document _Exit builtin.
2216 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2218 * (initialize, initialize_builtins,
2219 initialize_dependency_output, initialize_standard_includes):
2220 Rename s/initialize/init. Update.
2221 (init_dependency_output): Move to after
2222 cpp_handle_options, the correct location temporally at least.
2223 (opt_comp): Move next to init (), its caller. Fix prototype.
2224 (init): Make "initialized" local scope.
2225 (cpp_create_reader): Always call init ().
2226 (cpp_start_read): Update.
2227 (output_deps): New function, broken out of cpp_finish.
2228 (cpp_finish): Break out output_deps.
2230 2001-01-07 Richard Henderson <rth@redhat.com>
2232 * collect2.c (COFF specific stuff): Revert 12-06 patch
2233 to prototype system functions.
2235 2001-01-07 Michael Hayes <mhayes@redhat.com>
2237 * hard-reg-set.h: Add multiple include guard.
2238 * basic-block.h (struct loop): Add `sink' field.
2239 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
2240 (emit_iv_add_mult): Delete.
2241 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
2242 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
2243 (unroll_loop): Remove end_insert_before argument.
2244 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
2245 (maybe_eliminate_biv_1): Likewise.
2246 (emit_iv_add_mult): Delete.
2247 (gen_add_mult, loop_regs_update): New.
2248 (loop_insn_emit_after, loop_insn_emit_before): New.
2249 (loop_insn_sink, loop_insn_sink_or_swim): New.
2250 (emit_iv_add_mult): Delete.
2251 (scan_loop): Set loop->sink.
2252 (loop_givs_reduce): Use loop_insn_sink and its ilk.
2253 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
2254 (maybe_eliminate_biv_1): Likewise.
2255 (maybe_eliminate_biv_1): Add basic block argument.
2256 * unroll.c (unroll_loop): Remove end_insert_before argument.
2257 (find_splittable_regs): Likewise.
2258 (find_splittable_regs): Use loop_insn_sink and its ilk.
2259 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
2261 2001-01-07 Michael Hayes <mhayes@redhat.com>
2263 * loop.h (loop_insn_hoist): New prototype.
2264 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
2265 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
2266 (check_dbra_loop, load_mems): Likewise.
2267 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
2268 (find_splittable_givs): Likewise.
2270 2001-01-07 Michael Hayes <mhayes@redhat.com>
2272 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
2274 2001-01-07 Richard Henderson <rth@redhat.com>
2276 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
2278 2001-01-07 Richard Henderson <rth@redhat.com>
2280 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
2281 NO_SHARED_LIBGCC_MULTILIB as required for the target.
2282 * gcc.c (init_spec): Massage the existing libgcc_spec into a
2283 variant that handles a shared libgcc.
2284 (process_command): Always validate -{static,shared}-libgcc.
2285 (do_spec_1): New 'M' case.
2286 * invoke.text (Link Options): Document -{static,shared}-libgcc.
2288 2001-01-07 Richard Henderson <rth@redhat.com>
2290 * Makefile.in (slibdir): New variable.
2291 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
2292 (installdirs): Create slibdir.
2293 (install-libgcc, install-multilib): Defer to libgcc.mk.
2294 * configure.in (slibdir): Substitute.
2295 * mklibgcc.in (install): New target.
2297 * config/t-linux (SHLIB_LINK): Create links for the soname.
2298 (SHLIB_INSTALL): New.
2299 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
2300 * config/mips/t-iris6 (SHLIB_INSTALL): New.
2301 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
2302 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
2303 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
2305 2001-01-07 Richard Henderson <rth@redhat.com>
2307 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
2308 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
2309 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
2311 2001-01-07 Michael Hayes <mhayes@redhat.com>
2313 * loop.c (count_loop_regs_set): Delete.
2314 (load_mems_and_recount_loop_regs_set): Delete.
2315 (loop_regs_scan): Merge common code from count_loop_regs_set,
2316 scan_loop, and load_mems_and_recount_loop_regs_set.
2317 (scan_loop): Call load_mems directly and loop_regs_scan
2318 again if new registers created.
2320 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2322 * toplev.c (main): Call the front-end specific post_options
2323 hook if one is given.
2324 * toplev.h (struct_lang_hooks, lang_hooks): New.
2325 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
2326 for the C front end.
2327 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
2328 lang_hooks for the C++ front end.
2329 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
2330 lang_hooks for the ObjC front end.
2331 * f/com.c (lang_hooks): Hooks for the Fortran front end.
2332 * java/lang.c (lang_hooks): Hooks for the Java front end.
2334 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
2336 * c-lex.c (init_c_lex): Request #define / #undef callbacks
2337 for verbose DWARF[2] debugging.
2338 (cb_define, cb_undef): The new callbacks.
2339 * toplev.h (debug_define, debug_undef): Make const correct.
2340 * toplev.c (debug_define, debug_undef): Similarly. Do not
2341 perform the verbosity tests here anymore.
2343 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
2345 * reload.c (subst_reloads): Take INSN argument. When
2346 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
2347 * reload.h (subst_reloads): Adjust prototype.
2348 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
2349 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
2350 present in JUMP_INSNs and copy them to JUMP_LABEL.
2351 * flow.c (find_label_refs, find_basic_blocks_1): Skip
2352 JUMP_INSNs and insns with REG_LABELs that are followed by
2353 JUMP_INSNs with the same REG_LABEL.
2354 * sched-rgn.c (is_cfg_nonregular): Likewise.
2355 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
2357 * unroll.c (unroll_loop): Look for REG_LABEL notes in
2359 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
2361 2001-01-06 Richard Henderson <rth@redhat.com>
2363 * loop.c (scan_loop): Use xcalloc for the regs array.
2364 (load_mems_and_recount_loop_regs_set): Zero the new memory
2365 received from xrealloc.
2367 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
2369 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
2371 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
2373 * integrate.c (copy_rtx_and_substitute): When copying
2374 an ignored return value, strip REG_FUNCTION_VALUE_P.
2376 2001-01-06 Michael Hayes <mhayes@redhat.com>
2378 * loop.c (debug_biv, debug_giv): New.
2379 (loop_biv_dump): Break out from ...
2380 (record_biv): ... here.
2381 (loop_giv_dump): Break out from ...
2382 (record_giv): ... here.
2383 (loop_bivs_check): Use print_simple_rtl.
2384 * unroll.c (loop_iterations): Use print_simple_rtl.
2386 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
2388 * pa.md (return, return_internal): Modify patterns to prevent regrename
2389 mucking with the return pointer.
2391 2001-01-05 Richard Henderson <rth@redhat.com>
2393 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
2395 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
2397 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
2398 version supplied by Matteo Frigo.
2400 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
2402 * cpp.texi: Update for -MQ.
2403 * cppinit.c (cpp_create_reader): Always create pfile->deps.
2404 (cpp_cleanup): Always free pfile->deps.
2405 (initialize_dependency_output): Don't create pfile->deps.
2406 (cpp_handle_option): Similarly.
2408 * gcc.c (cpp_options): Handle -MQ.
2409 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
2410 * mkdeps.c (base_name): Remove.
2411 (deps_init): Don't allocate vector space until it's needed.
2412 (deps_free): Only free vectors if allocated.
2413 (deps_add_target, deps_add_dep): Update for initial allocation.
2414 (deps_add_default_target): Don't strip to the base_name.
2416 2001-01-05 DJ Delorie <dj@redhat.com>
2418 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
2419 (INIT_EXPANDERS): Define.
2421 * config/v850/v850.c (struct machine_function): Define.
2422 (v850_save_machine_status): New function.
2423 (v850_restore_machine_status): New function.
2424 (v850_return_addr): New function.
2425 (v850_init_expanders): New function.
2427 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
2428 and v850_init_expanders.
2430 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
2432 * cpplib.h (struct cpp_reader): Add help_only field.
2433 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
2434 (cpp_handle_option): Set pfile->help_only if we see -h,
2435 --help, -target-help, or --version. Print version string but
2436 do not set help_only if we see -v or -version. Make text
2437 printed by -v match that printed by (-)-version.
2439 * cppmain.c (main): Exit after option parsing if
2440 pfile->help_only is true.
2442 * toplev.c (independent_decode_option): Call print_version,
2443 then exit, if we see --version (but not -version).
2444 (print_version): Split lengthy message into two lines.
2446 2001-01-05 Nick Clifton <nickc@redhat.com>
2448 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
2449 temporary string for initialisation before calling ggc_alloc_string.
2451 2001-01-06 Michael Hayes <mhayes@redhat.com>
2453 * rtl.h (print_simple_rtl): New.
2454 * print-rtl.c (print_simple_rtl): New.
2456 (print_rtx): Disable printing of flags and modes, etc.,
2457 if `flag_simple` nonzero.
2459 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
2461 * function.c (fixup_var_refs): Use push_to_full_sequence where
2464 2001-01-05 Michael Meissner <meissner@redhat.com>
2466 * flags.h (flag_reorder_blocks): Add declaration.
2467 (flag_rename_block): Ditto.
2469 2001-01-05 DJ Delorie <dj@redhat.com>
2471 * function.c (reorder_blocks): Make sure the flags are all reset
2472 before using them to mark blocks, else a second invocation will
2473 corrupt the block chain.
2474 (reorder_blocks_0): New, resets the flags.
2476 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
2478 * cse.c (find_comparison_args): Stop if the argument is known to
2481 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2483 * config/sh/sh.md (movdf): When splitting load into pair of
2484 registers, don't clobber the register used in the address too
2487 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
2489 * varasm.c (mark_constant_pool): Improve initial comments.
2490 (mark_constants): Move marking of constants to mark_constant.
2491 (mark_constant): New function to recursively mark all constants
2492 referred to by a constant.
2494 2001-01-05 Catherine Moore <clm@redhat.com>
2496 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
2498 2001-01-05 Phil Edwards <pme@sources.redhat.com>
2500 * cp/lang-options.h: Bring comment in line with reality.
2501 * f/lang-options.h: Likewise.
2502 * java/lang-options.h: Likewise.
2503 * objc/lang-options.h: Likewise.
2504 * ch/lang-options.h: Likewise.
2505 * f/g77.texi: And update the manual.
2507 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
2508 Denis Chertykov <denisc@overta.ru>
2510 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
2511 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
2512 * config/avr/avr.md (all peepholes that request a scratch register):
2513 Call it, FAIL the peephole if not safe (in interrupt functions).
2515 2001-01-05 Mark Mitchell <mark@codesourcery.com>
2517 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
2519 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
2521 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
2523 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
2524 BUILT_IN_CREAL and BUILT_IN_CIMAG.
2525 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
2526 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
2527 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
2529 * extend.texi: Document these builtins.
2531 2001-01-05 Daniel Berlin <dberlin@redhat.com>
2533 * c-common.c (lang_get_alias_set): Say we know nothing of
2534 VECTOR_TYPE aliasing.
2536 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
2538 2001-01-05 Bruce Korb <bkorb@gnu.org>
2540 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
2541 their x* equivalent versions for atexit-less systems
2542 * fixinc/fixincl.c(main): do not return from main() on atexit-less
2543 systems (or any other system any more).
2545 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
2547 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
2548 output operands. Use arm_hard_register_operand for operand 4.
2549 (stmsi_postinc): Similarly.
2550 (ldmsi): Use arm_hard_register_operand for opernand 2.
2552 * arm.c (arm_hard_register_operand): New function.
2553 * arm-protos.h (arm_hard_register_operand): Prototype it.
2555 * arm.h (HARD_REGNO_RENAME_OK): Define.
2557 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
2559 * simplify-rtx.c (cfc_args): add "unordered" field.
2560 (check_fold_consts): Set unordered field.
2561 (simplify_relational_operation): Simplify the unordered
2564 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
2567 * emit-rtl.c (try_split): Fix code to mark labels.
2568 * jump.c (mark_jump_label): Make global.
2569 * rtl.h (mark_jump_label): Declare.
2571 * predict.c (estimate_probability): Handle unordred comparisons.
2573 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
2575 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
2576 * cppinit.c (initialize_dependency_output): Update.
2577 (cpp_finish): Output dummy targets for -MP.
2579 (cpp_handle_option): Handle -MP. Don't quote -MT options.
2580 * cpplib.h (struct cpp_options): Add deps_phony_targets.
2581 * gcc.c (cpp_options): Update to handle -MP.
2582 * mkdeps.c (deps_add_target, deps_add_default_target): Update
2583 to quote only the default target.
2584 (deps_phony_targets): Insert a preceding newline. Rename from
2585 deps_dummy_targets for consistency.
2588 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2590 * calls.c (emit_library_call_value_1): Support
2591 INIT_CUMULATIVE_LIBCALL_ARGS.
2592 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
2594 2001-01-04 Richard Henderson <rth@redhat.com>
2596 * c-decl.c (finish_struct): Detect flexible array members
2597 used in an inappropriate context.
2598 * c-typeck.c (really_start_incremental_init): Special case
2599 constructor_max_index for zero length arrays.
2600 (pop_init_level): Allow initialization of flexible array
2601 members. Deprecate initialization of zero length arrays.
2602 Don't issue missing initializer warning for flexible array
2603 members or zero length arrays.
2604 (process_init_element): Don't dereference null DECL_SIZE.
2605 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
2606 Don't abort for empty constructors. Use size_binop
2607 (output_constructor): Add commentary regarding zero length
2608 array futures. Abort if we try to initialize an array of
2609 unspecified length with a non-empty constructor in the middle
2612 * extend.texi (Zero Length): Update and clarify documentation
2613 on static initialization.
2615 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2617 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
2618 with more than 32767 words of local storage.
2620 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2622 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
2623 for 'abs', 'labs', and 'fabs'.
2624 (c4x_expand_builtin): Likewise.
2625 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
2627 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2629 * config/sh/sh.md (prget, prset): New insn types.
2630 (return delay slot): Dont' allow prset.
2631 (call, sfunc delay slot): Don't allow prget.
2632 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
2633 for prset and prget.
2635 2001-01-05 Michael Hayes <mhayes@redhat.com>
2637 * loop.h (struct loop_reg): New.
2638 (struct loop_regs): Change to use array of `struct loop_reg'.
2639 * loop.c: Replace assortment of varrays with single regs array.
2640 (count_one_set): Delete may_not_move array argument
2641 and use regs array instead. All caller's changed.
2642 (count_loop_regs_set): Delete may_not_move and single_usage
2643 arguments and use regs array instead. All caller's changed.
2644 (find_single_use_in_loop): Replace usage array argument with pointer
2645 to regs structure. All caller's changed.
2646 (loop_optimize): Delete `moved_once' array.
2648 2001-01-05 Michael Hayes <mhayes@redhat.com>
2650 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
2651 Use it instead of loop_info->has_call for scanning loop mems.
2652 (check_dbra_loop): Replace loop_info->has_call test with
2653 loop_info->has_nonconst_call.
2655 2000-01-04 Matthew Hiller <hiller@redhat.com>
2657 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
2660 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
2662 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
2663 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
2665 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
2667 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
2668 (flag_short_double, flag_short_wchar): Define.
2669 (c_common_nodes_and_builtins): Create many tree nodes shared
2670 between C and C++ here instead of in cp/decl.c and ...
2671 * c-decl.c (init_decl_processing): ... here.
2672 (SIZE_TYPE, WCHAR_TYPE): Don't define.
2673 (flag_short_double, flag_short_wchar): Don't define.
2674 (record_builtin_type): New function.
2675 (build_void_list_node): New function.
2676 * c-common.h (flag_short_double, flag_short_wchar,
2677 record_builtin_type, build_void_list_node): Declare.
2679 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
2681 * integrate.c (expand_inline_function): Don't put a virtual
2682 register into the reg map.
2684 * function.c (fixup_var_refs_1): If force_operand didn't put
2685 the address into the target, move it there.
2687 2001-01-04 Mark Mitchell <mark@codesourcery.com>
2689 Special-case tree_decl/tree_list allocations.
2690 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
2691 (OBJECT_SIZE): New macro.
2692 (NUM_EXTRA_ORDER): Likewise.
2693 (extra_order_size_table): New variable.
2694 (NUM_ORDERS): New macro.
2695 (objects_per_page_table): New variable.
2696 (object_size_table): New variable.
2697 (G.pages): Use NUM_ORDERS to bound the array.
2698 (G.page_tails): Likewise.
2699 (DIV_ROUND_UP): Remove.
2700 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
2701 (alloc_page): Use OBJECT_SIZE.
2702 (size_lookup): Don't make it const.
2703 (ggc_alloc): Use OBJECT_SIZE.
2704 (ggc_set_mark): Likewise.
2705 (ggc_get_size): Likewise.
2706 (init_ggc): Set up the object_size_table, objects_per_page_table,
2707 and adjust size_lookup.
2708 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
2709 (ggc_pop_context): Use NUM_ORDERS.
2710 (clear_marks): Likewise.
2711 (sweep_pages): Likewise.
2712 (poison_pages): Likewise.
2713 (ggc_print_statistics): Use OBJECT_SIZE.
2715 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2717 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
2718 Only call array_size_for_constructor if last field and array type
2719 with no upper bound.
2721 2001-01-04 Philip Blundell <philb@gnu.org>
2723 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
2724 from bit 31 downwards, if this requires no more insns.
2725 (count_insns_for_constant): New helper function for above.
2727 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
2729 * gencodes.c (output_predicate_decls): Remove empty initializer.
2731 2001-01-04 Mark Mitchell <mark@codesourcery.com>
2733 * tree.c (copy_node): Remove documentation about obstacks.
2734 (buidl1): Check that nobody tries to build 2-argument nodes this
2737 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2739 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
2742 * gencodes.c (output_predicate_decls): Fill empty initializer
2745 2001-01-04 Jakub Jelinek <jakub@redhat.com>
2747 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
2748 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
2750 (do_include): Handle missing headers like cpp0.
2751 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
2752 paths with first include pathname. Don't strcat to uninitialized
2755 2001-01-04 Bernd Schmidt <bernds@redhat.com>
2757 * regrename.c (regrename_optimize): Don't rename from frame pointer
2758 if frame_pointer_needed.
2759 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
2760 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
2761 (ia64_reorg): Use it instead of scheduling if ! optimize.
2762 (errata_emit_nops): Properly call asm_noperands.
2763 (ia64_sched_reorder): Finish cycle if we see an asm.
2764 (ia64_variable_issue): Clear scheduling state after asms.
2766 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
2768 * cpp.texi: Update for -MT.
2769 * cppinit.c (initialize_dependency_output): Add a default
2770 target if none has been given already.
2771 (no_tgt, OPT_MT): New.
2772 (cpp_handle_option): Handle -MT. Update -M etc.
2773 * cpplib.h (struct cpp_options): Remove deps_target.
2774 * gcc.c (cpp_options): Handle -MT.
2775 * mkdeps.c (struct deps): Move from mkdeps.h.
2776 (deps_calc_target): Rename deps_add_default_target. Add a
2777 default target if none has been specified already.
2778 * mkdeps.h (struct deps): Move to mkdeps.c.
2779 (deps_calc_target): Rename deps_add_default_target.
2781 2000-01-03 Richard Henderson <rth@redhat.com>
2783 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
2785 * c-typeck.c (push_init_level): Move checks for flexible array
2786 members and zero length arrays ...
2787 (pop_init_level): ... here. Silently discard empty initializations.
2789 * varasm.c (output_constructor): Update for sizeof change to
2792 * extend.texi (Zero Length): Clarify semantics.
2794 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2796 * configure.in (tm.h): Include isns-codes.h last.
2797 * configure: Rebuilt.
2799 2001-01-03 Richard Henderson <rth@redhat.com>
2801 * config/alpha/alpha.md (addvsi3, addvdi3): New.
2802 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
2804 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2806 * tradcpp.c (main): Make sure finclude() is called with a valid
2807 indepth value while handling -include.
2809 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2811 * gencodes.c (output_predicate_decls): New function.
2813 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
2814 even if it is not the first time machmode.h is #included.
2815 * config/sh/sh.c (fpul_operand): Declare MODE argument.
2816 * tm.texi (PREDICATE_CODES): Document predicate declarations.
2817 * gcc.texi (Copyright): Added 2001.
2819 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2821 * c-common.c (c_common_lang_init): New function. Warn if format
2822 warning options which only have effects when used with -Wformat
2823 are used without -Wformat.
2824 * c-common.h (c_common_lang_init): Declare.
2825 * c-lang.c (lang_init): Call c_common_lang_init.
2826 * objc/objc-act.c (lang_init): Call c_common_lang_init.
2828 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2830 * configure.in: Check for the mktemp command.
2831 * configure: Regenerate.
2832 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
2833 $TEMP. Create temporary files with mktemp, if available at
2834 configure time; otherwise use set -C. Remove temporary files
2837 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2839 * configure.in: Require at least texinfo 4.0. Check for whether
2840 Pod::Man is sufficiently recent to regenerate GCC manpages.
2841 * configure: Regenerate.
2842 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
2844 (GENERATED_MANPAGES): Define.
2845 (generated-manpages): New target. Depend on cpp.1 as well as
2847 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
2848 configure to generated-manpages or empty) rather than on the
2849 manpages directly. Remove execute permission from installed
2850 gcov.1 as well as cpp.1.
2851 * cpp.1, gcov.1: Regenerate.
2853 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2855 * builtins.c (expand_builtin_strncmp): Use host_integerp and
2856 tree_low_cst. Allow using cmpstrsi in more cases.
2858 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2860 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
2863 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
2865 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
2866 * Makefile.in (HOST_CFLAGS): Mention build-make.
2868 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2870 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
2873 2001-01-01 Bernd Schmidt <bernds@redhat.com>
2875 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
2878 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
2881 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
2882 reg_base_value and reg_known_value arrays.
2883 (init_alias_analysis): Add more cases to detect known values.
2884 * sched-deps.c (deps_may_trap_p): New function.
2885 (sched_analyze_2): Use it.
2887 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2889 * combine.c (simplify_shift_const): Even if we're sign-extracting,
2890 don't discard an ASHIFTRT if we're shifting in a wider mode.
2892 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
2894 * toplev.c (rest_of_compilation): Don't print basic block information
2895 when CFG isn't up to date.
2897 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
2899 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
2900 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
2901 (UNALIGNED_SHORT_ASM_OP): Define.
2902 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
2904 2001-01-02 Mark Mitchell <mark@codesourcery.com>
2906 * fold-const.c (fold_convert): Fix typo.
2908 2001-01-02 Richard Henderson <rth@redhat.com>
2910 * c-common.h (ASM_INPUT_P): New.
2911 * c-parse.in (asm): Set it when needed.
2912 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
2913 existance of an operand.
2915 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
2917 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
2918 (dwarf2out_frame_debug_expr): Likewise.
2919 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
2921 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
2923 * i386.c (ix86_split_to_parts): Return number of part required;
2925 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
2927 (ix86_split_long_move): Use number of part returned
2928 by ix86_split_to_parts
2929 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
2931 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
2932 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
2933 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
2934 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
2935 (ALIGN_MODE_128): Add TFmode.
2936 (IS_STACK_MODE): Likewise.
2937 (HARD_REGNO_NREGS): TFmode needs 3 registers.
2938 (HARD_REGNO_OK): Support TFmodes.
2939 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
2940 * i386.md (scheduler definitions): Use memory operand to determine
2941 fst/fld instructions; use mode attribute to determine real mode of
2943 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
2944 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
2946 2001-01-02 Mark Mitchell <mark@codesourcery.com>
2948 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
2950 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
2952 * expr.c (store_constructor_field): Update ALIGN before calling
2955 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
2957 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
2960 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
2962 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
2965 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
2967 * c-decl.c (start_function): Don't warn on third parameter to main.
2969 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2971 * tsystem.h: Define HAVE_DECL_GETOPT.
2973 2001-01-02 Philip Blundell <pb@futuretv.com>
2975 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
2978 2001-01-02 Richard Henderson <rth@redhat.com>
2980 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
2982 2001-01-02 Andreas Jaeger <aj@suse.de>
2984 * c-decl.c (c_decode_option): Remove support of
2987 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
2988 (W_options): Add -Wmissing-noreturn here.
2990 * flow.c: Define lang_missing_noreturn_ok_p.
2991 (check_function_return_warnings): Use it.
2993 * c-common.h: Declare lang_missing_noreturn_ok_p.
2995 * c-lang.c (c_missing_noreturn_ok_p): New function.
2996 (lang_init): Set lang_missing_noreturn_ok_p.
2998 * invoke.texi (Warning Options): Document this.
3000 2000-12-27 Phil Edwards <pme@sources.redhat.com>
3002 * extend.texi (C++ Extensions): New node for C++ attributes;
3003 describe init_priority and com_interface.
3004 * invoke.texi: Remove -finit-priority as it now has zero effect.
3005 * install.texi: Fix xref syntax.
3006 * md.texi: Likewise.
3008 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3010 * config.gcc (sparc64-wrs-vxworks*): New case.
3011 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
3013 * config/sparc/sparc.c (sparc_override_options): Do support different
3014 pointer and architecture size.
3015 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
3016 (POINTERS_EXTEND_UNSIGNED): Define.
3017 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
3018 (FUNCTION_MODE): Define to be Pmode.
3019 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
3021 * function.c (expand_function_end): Properly handle DECL_RESULT
3022 and copy when ptr_mode != Pmode.
3023 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
3025 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3027 * c-common.c (c_common_nodes_and_builtins): Set prototype
3028 parameters for __builtin_fputs, __builtin_fputc and
3029 __builtin_fwrite. Don't declare plain fputc as a builtin.
3031 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
3033 * loop.c (add_label_notes): Increment the label usage count when
3034 a note is added to an insn which refers to a CODE_LABEL.
3035 * gcse.c (add_label_notes): Likewise.
3037 2001-01-01 Andreas Jaeger <aj@suse.de>
3039 * loop.c (scan_loop): Use xmalloc to allocate movables.
3041 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
3043 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
3044 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
3045 * reload1.c (REGISTER_MOVE_COST): Likewise.
3046 * regclass.c (REGISTER_MOVE_COST): Likewise.
3047 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
3048 dimension. Adjust all users.
3049 (init_reg_sets_1): Iterate on all modes.
3050 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
3051 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
3052 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
3053 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
3054 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
3055 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
3056 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
3057 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
3058 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
3059 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
3060 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
3061 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
3062 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
3063 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
3064 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
3065 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
3066 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
3067 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
3068 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
3069 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
3070 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
3071 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
3072 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
3073 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
3074 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
3075 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
3076 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
3078 2001-01-01 Bernd Schmidt <bernds@redhat.com>
3080 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
3081 arg VARIES_P. Call it with extra arg.
3082 (true_dependence): Likewise.
3083 * rtl.h (rtx_addr_can_trap_p): Declare.
3084 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
3086 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
3087 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
3088 pic offset table register if it's zero. All callers changed.
3089 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
3091 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3093 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
3094 STRING_POOL_ADDRESS_P.
3096 * config/sparc/sparc.c (input_operand): Properly test for short op.
3098 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
3099 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
3100 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
3101 * config/sparc/elf.h: No longer include sol2.h.
3102 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
3103 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
3105 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
3107 2001-01-01 Michael Hayes <mhayes@redhat.com>
3109 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
3110 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
3111 (record_initial): Likewise.
3112 * unroll.c (copy_loop_body, loop_iterations): Likewise.
3113 (remap_split_bivs): Likewise.
3115 2001-01-01 Michael Hayes <mhayes@redhat.com>
3117 * loop.c (loop_ivs_free): New function.
3118 (strength_reduce): Break out from...
3120 2001-01-01 Michael Hayes <mhayes@redhat.com>
3122 * loop.h (struct iv): New.
3123 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
3124 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
3125 'reg_biv_class' fields with 'regs' and 'n_regs'.
3126 (struct ivs): Rename 'loop_iv_list' field to 'list'.
3127 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
3128 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
3130 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
3132 * resource.c (mark_referenced_resources): Abort() before
3133 attempting to mark a pseudo register.
3134 (mark_set_resources): Likewise.
3136 2001-01-01 Michael Hayes <mhayes@redhat.com>
3138 * loop.h (REG_IV_CLASS): New accessor macro.
3139 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
3140 * unroll.c (REG_IV_CLASS): Likewise.
3142 See ChangeLog.4 for earlier changes.